The calculated distance (air line) between Damietta and Kafr ash Shaykh is approximately 56 miles respectively 90 kilometers.
By car or train, the actual journey to Kafr ash Shaykh is certainly longer, as only the direct route (as the crow flies) between Damietta and Kafr ash Shaykh has been calculated here.
Air line (approximately)
90 kilometers
48 nautical miles